The deadline to submit a session, town hall, or pre-conference workshop proposal for AGU25 has passed. Please search for and review proposed sessions below. Please note this site is frozen as of 4/29/25 and will not reflect any changes to proposals made after this date.


Conveners will be contacted by the AGU25 Program Committee with any requests for mergers or edits to proposals. Conveners will be notified of the acceptance of their proposal in mid-June.


Abstract submissions will also open in mid-June and the deadline for abstract submissions is 30 July, 2025.


Please visit the AGU25 website for more information or please contact AGU with any questions.

Session Proposal: Geophysical Granular Flows and Sediment Transport: Bridging Grain-scale Mechanics and Continuum Modeling (AGU25)

EP018
Geophysical Granular Flows and Sediment Transport: Bridging Grain-scale Mechanics and Continuum Modeling

Session ID#: 252435

Session Description:
Earth and planetary surfaces are covered by granular material that may flow under the action of gravity, interaction with fluids such as air or water, or other geophysical processes. These geophysical granular flows and sediment transport phenomena are at the heart of landscape dynamics (hillslope creep, riverbed evolution, coastal erosion), pattern formation (grain sorting and segregation, dunes, ripples), and geohazards (landslide, debris flow, snow avalanche). A fundamental challenge lies in the multiscale nature of granular materials rendering a continuum description difficult to achieve. Recent advances in high-resolution imaging and particle-resolved numerical simulations allowed for insights into particle-scale mechanisms. However, research carried out at the particle-scale has yet to be harmonized into a consistent theoretical body able to match field and laboratory observations. We invite field, experimental and numerical research from particle to macroscopic scales to address this theme’s open questions.
Co-Sponsor(s):
  • NH - Natural Hazards
Index Terms:

1822 Geomechanics [HYDROLOGY]
1862 Sediment transport [HYDROLOGY]
4314 Mathematical and computer modeling [NATURAL HAZARDS]
Primary Convener:  Dr. Lu Jing, Tsinghua University, Tsinghua Shenzhen International Graduate School, Beijing, China
Conveners:  Kimberly M Hill, University of Minnesota, Minneapolis, MN, United States, Yue Meng, Purdue University, West Lafayette, IN, United States and Qiong Zhang, Northwestern University, Evanston, IL, United States
Student/Early Career Convener:  Benjamin Alessio, Stanford University, Mechanical Engineering, Stanford, United States
 
Granular Rheology of Photoelastic Avalanches (Invited) (1876709)
Nathalie Vriend, University of Colorado Boulder, Department of Mechanical Engineering, Boulder, United States and Benjamin McMillan, University of Cambridge, Department of Applied Mathematics and Theoretical Physics, Cambridge, United Kingdom
 
Erosion and transport of cohesive grains by a turbulent jet (Invited) (1903326)
Alban Sauret1, Ram Sudhir Sharma2, Jules Roth2 and Sreeram Rajesh2, (1)University of Maryland College Park, College Park, MD, United States, (2)University of California Santa Barbara, Mechanical Engineering, Santa Barbara, United States
 
Dynamics of Bedload Anomalous Transport: A Nonstationary Lévy Stochastic Process and Upscaling Model (1903615)
Zhipeng Li, Hohai University, Nanjing, China and HongGuang Sun, Hohai University, State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Nanjing, China
 
Generalizing sediment transport experiments from narrow flumes to wider channels (Invited) (1910932)
Eric Deal1, J Taylor Perron2, Kyle Kusack3, Santiago Benavides4, Ryan W Bradley3, Qiong Zhang5, Ken Kamrin6 and Jeremy G Venditti3, (1)Simon Fraser University, Burnaby, BC, Canada, (2)Massachusetts Institute of Technology, Department of Earth, Atmospheric, & Planetary Sciences, Cambridge, United States, (3)Simon Fraser University, School of Environmental Science, Burnaby, BC, Canada, (4)Massachusetts Institute of Technology, Earth, Atmospheric and Planetary Sciences, Cambridge, MA, United States, (5)Stockholm University, Stockholm, Sweden, (6)Massachusetts Institute of Technology, Mechanical Engineering, Cambridge, MA, United States
 
Quantifying relationships between aeolian ripple dynamics, aerodynamic roughness and saltation height (1916992)
Joanna M Nield1, Matthew C Baddock2, Giles Wiggs3, Jim Best4, Kenneth Christensen5, Pauline Delorme6, Andrew Valdez7, Nathaniel Bristow8, Martin Hipondoka9, Daniel Goss1, Natasha Wallum10 and Philippe Claudin11, (1)University of Southampton, School of Geography and Environmental Science, Southampton, United Kingdom, (2)Loughborough University, Geography, Loughborough, United Kingdom, (3)University of Oxford, School of Geography and the Environment, Oxford, United Kingdom, (4)University of Illinois at Urbana Champaign, Department of Earth Science & Environmental Change, Champaign, United States, (5)University of Colorado, Department of Mechanical Engineering, Denver, United States, (6)Ecole Normale Supérieure, CNRS, PSL Research University, Laboratoire de Géologie, Paris, France, (7)Great Sand Dunes National Park and Preserve, National Park Service, Alamosa, United States, (8)Astrin Biosciences, Inc., Saint Paul, United States, (9)University of Namibia, Department of Environmental Science, Windhoek, Namibia, (10)University of Oxford, Oxford, United Kingdom, (11)Laboratoire de Physique, ENS - PSL Research University, Université de Paris, CNRS, Sorbonne Université, Paris, France, Paris Cedex 05, France
 
Structured Chaos: Incorporating Turbulent Coherence into a Particle Resuspension Model (1917954)
David Ben-Shlomo, Ronen Berkovich and Eyal Fattal, Ben-Gurion University of the Negev, Beer-Sheva, Israel
 
FLOW BEHAVIOUR OF POROUS WEIR FOR THROUGH FLOW CONDITION (1921324)
Dr. ALI Shariq, PhD and Mohammad Saud Afzal, Indian Institute of Technology Kharagpur, Department of Civil Engineering, Kharagpur, India
 
Directional stress history effects on sediment motion – from grain wiggles to saltation (1924598)
Sophie Bodek, Stanford University, Civil and Environmental Engineering, Stanford, CA, United States and Nicholas T Ouellette, Stanford University, Civil and Environmental Engineering, Stanford, California, United States
 
Laboratory Experiments of Bedforms Evolution during Flood Events (1924694)
Simona Francalanci, University of Florence, Dept. Civil and Environmental Engineering, Florence, Italy, Nicola Marchiani, University of Florence, Department of Civile and Environmental Engineering, Florence, Italy and Giada Artini, University of Florence, Department of Civil and Environmental Engineering, Florence, Italy
 
Unifying grain shape effects in granular flows down a rough incline (1925957)
Dr. Lu Jing1, Jixiong Liu1, Mengna Zhang1 and Thomas Pähtz2, (1)Tsinghua University, Tsinghua Shenzhen International Graduate School, Beijing, China, (2)Zhejiang University, Hangzhou, China
 
Numerical modeling of dry granular flow mobility in large-scale flume experiments (1926418)
Ming Yang, Idaho National Laboratory, Idaho Falls, ID, UNITED STATES and Giuseppe Buscarnera, Northwestern University, Civil and Environmental Engineering, Evanston, IL, United States
 
The change of friction and compaction of shearing granular flow under acoustic vibration (1932363)
Litong Huang and Emily Brodsky, University of California Santa Cruz, Earth and Planetary Sciences, Santa Cruz, United States
 
Size segregation of cohesive particles flowing down and depositing on a slope (1934091)
Qiong Zhang1, Jizhi Zhang2, Julio Ottino3, Paul Umbanhowar2 and Richard Lueptow3, (1)Northwestern University, Department of Mechanical Engineering, Evanston, IL, United States, (2)Northwestern University, Department of Mechanical Engineering, Evanston, United States, (3)Northwestern University, Department of Chemical and Biological Engineering, Evanston, United States
 
Wildfire-Induced Alterations in Soil Behavior in Semi-Arid Grasslands: Insights from the Texas Panhandle (1935226)
Behrooz Ferdowsi1, Ej Kotick1, Makenna Harris2 and Brandee Carlson2, (1)University of Houston, Civil and Environmental Engineering, Houston, United States, (2)University of Houston, Earth and Atmospheric Sciences, Houston, United States
 
Influence of Particle Size on Non-Darcy Flow in Rockfill Dams: Laboratory-Based Evaluation. (1938406)
Subodh Shrivastava1, Ashes Banerjee2, Vishwas N Khatri1 and Srinivas Pasupuleti3, (1)Indian School of Mines, Civil engineering, Dhanbad, India, (2)Vivekanand University, Kolkata, Civil engineering, Kolkata, India, (3)Indian School of Mines, Civil Engineering, Dhanbad, India
 
Grain-Scale Probabilistic Description of Sediment Transport Based on Deep Learning PTV and Exner Equation (1938884)
Wenzheng Su1, Dr. Lu Jing1 and Mengzhen Xu2, (1)Tsinghua University, Tsinghua Shenzhen International Graduate School, Beijing, China, (2)Tsinghua University, Department of Hydraulic Engineering, Beijing, China
 
Non-monotonic Enhancement of Coarse Particle Transport to Grain Size Ratio under Fine Particle Addition (1939088)
Hongbo Ma, University of Illinois at Urbana Champaign, Department of Civil & Environmental Engineering, Urbana, United States, Yu Zhang, State Key Laboratory of Hydroscience and Engineering, Tsinghua University, Beijing, China, Zheng Gong, Tsinghua University, Beijing, China, Dr. Lu Jing, Tsinghua University, Tsinghua Shenzhen International Graduate School, Beijing, China and Xudong Fu, Tsinghua University, State Key Laboratory of Hydroscience and Engineering, Department of Hydraulic Engineering, Beijing, China
 
Characterizing Granular Friction Through Grain Fragmentation (1947231)
Chengrui Chang, University of Tokyo, Bunkyo-ku, Japan, Yohei Hamada, JAMSTEC, Kochi Institute for Core Sample Research, Nankoku, Japan, Hiroyuki Noda, Kyoto University, Disaster Prevention Research Institute, Kyoto, Japan and Tetsuo Yamaguchi, The University of Tokyo, Department of Biomaterial Sciences, Graduate School of Agricultural and Life Sciences, Tokyo, Japan
 
Shear Weakening of Granular Soil Induced by Vertical And Horizontal Vibration (1947821)
Haozhi Liang1, Wenjun Lu1 and Dr. Lu Jing2, (1)Harbin Institute of Technology, Harbin Institute of Technology, Shenzhen, PR China, Shenzhen, China, (2)Tsinghua University, Tsinghua Shenzhen International Graduate School, Beijing, China
 
The Effect of Cohesion and Friction in the Failure of Granular Material from 3D Discrete Element Models (1951816)
Paraskevi Io Ioannidi1, Jacqueline E Reber2, Gabriele Morra1 and Dion Weatherley3, (1)University of Louisiana at Lafayette, Lafayette, LA, United States, (2)Iowa State University, Geological and Atmospheric Sciences, Ames, United States, (3)The University of Queensland, Brisbane, Australia
 
Influence of Contacting and Non-Contacting Particle Arrangements on Shock Compaction in Granular Materials: Insights from 2D Mesoscale Simulations (1954073)
Dawa Seo, Assistant Professor, Wayne State University, Department of Civil and Environmental Engineering, Detroit, United States, Darby Luscher, Los Alamos National Laboratory, Los Alamos, United States and Nitin Daphalapurkar, Los Alamos National Laboratory, Theoretical Division, Los Alamos, United States
 
A Seepage Prediction Approach for Debris Material Based on Fine Soil Proportion, Linking Grain Size Distribution to Pore Size and Hydraulic Conductivity. (1959108)
Manish Dewrari and Srikrishnan Siva Subramanian, Indian Institute of Technology Roorkee, Centre of Excellence in Disaster Mitigation and Management, Roorkee, India
 
Characteristic Spacing in Granular Fingering Instabilities (1961428)
Ruby Gans, University of Colorado Boulder, Boulder, CO, UNITED STATES, Matthew Arran, British Geological Survey, Edinburgh, United Kingdom and Nathalie Vriend, University of Colorado Boulder, Department of Mechanical Engineering, Boulder, United States
 
Pore Pressure and Frictional Instability in Fluid-Saturated Granular Media: Insights from CFD–DEM Simulations (1981509)
Bimal Chhushyabaga, University of Houston, Department of Civil and Environmental Engineering, Houston, TX, United States and Behrooz Ferdowsi, University of Houston, Civil and Environmental Engineering, Houston, United States
 
Experimental study of diffusion of monodispersed particles on a granular bed subjected to a turbulent flow. (1985152)
Rui Miguel Lage Ferreira, Instituto Superior Técnico, Lisboa, Portugal and Ana Margarida Ricardo, IST-ID, CERIS, Lisboa, Portugal
 
Visualizing Two-Phase Granular Collapse with Dual Refractive Index Matching of Fluids and Irregular Particles (1985441)
Yu-Chen Cheng1, Pascale Aussillous2 and Chi-Yao Hung1, (1)National Chung Hsing University, Department of Soil and Water Conservation, Taichung, Taiwan, (2)Aix-Marseille Université Polytech Marseille, Marseille, France
 
Suspension and deposition within turbidity currents (1985746)
Yi-Ju Chou1, Yao-Hung Tsai1 and Yi-Chun Yeh2, (1)National Taiwan University, Institute of Applied Mechanics, Taipei, Taiwan, (2)NTNU National Taiwan Normal University, Taipei, Taiwan
 
Initiation of Bedforms on Subaqueous Erodible Beds (1986828)
Maya Eley, Stanford University, Civil and Environmental Engineering, Stanford, United States and Nicholas T Ouellette, Stanford University, Civil and Environmental Engineering, Stanford, California, United States
 
Size Segregation of Bidisperse Granular Beds in Laminar Shear Flow: A CFD-DEM Investigation (1987218)
Xingyang Li and Dr. Lu Jing, Tsinghua University, Tsinghua Shenzhen International Graduate School, Beijing, China
 
Visualizing Internal Dynamics in Irregular Granular Flows Using Refractive Index Matching and Active Contour Analysis (1987363)
Chi-Hsi Chen1, Pascale Aussillous2 and Chi-Yao Hung1, (1)National Chung Hsing University, Department of Soil and Water Conservation, Taichung, Taiwan, (2)Aix-Marseille Université Polytech Marseille, Marseille, France
 
Enhancing CFD-DEM for polydisperse bedload transport in turbulent flow (1987573)
Yuxiang LIU1, Dr. Lu Jing1 and Xudong Fu2, (1)Tsinghua University, Tsinghua Shenzhen International Graduate School, Beijing, China, (2)Tsinghua University, State Key Laboratory of Hydroscience and Engineering, Department of Hydraulic Engineering, Beijing, China
 
Estimating the Onset of Sediment Motion from Point Clouds and Intergranular Friction (1987968)
Inhyeok Bae, Sebastian Bernal and Elowyn Yager, University of Idaho, Center for Ecohydraulics Research, Boise, United States
 
Quenched depositional energy exerts control on the mesostructures and relaxation dynamics of granular materials (1988186)
Vashan Desmond Wright1, Richard Kilburn2, Jhardel Dasent2 and Carlene Burton3, (1)Scripps Institution of Oceanography, La Jolla, United States, (2)University of California San Diego, Scripps Institution of Oceanography, La Jolla, United States, (3)University of California San Diego, San Diego, United States
 
Sea ice transport regulated by ice arches in narrow straits: Visualization of its granular nature through 3D photoelastic tests (1989371)
Wei Li, Stony Brook University, Civil Engineering, Stony Brook, NY, United States, Shiyao Wang, Stony Brook University, Stony Brook, United States and Laura Zhang, Great Neck South High School, Lake Success, United States
 
How Stress Distributes Across Different Granular Flow Regimes? (1990794)
Doron Morad, University of California Santa Cruz, Santa Cruz, CA, United States, Abram Clark IV, Naval Postgraduate School, Monterey, United States and Emily E Brodsky, University of California Santa Cruz, Earth and Planetary Sciences, Santa Cruz, United States
 
Effect of 3D Dune Geometry on Flow Structure, Secondary Currents and Momentum Transfer (1992963)
Sree Sai Prasad Bodapati, Indian Institute of Technology Madras, Chennai, India and Venu Chandra, Indian Institute of Technology Madras, Department of Civil Engineering, Chennai, India
 
Bridging Grain-scale Deformation to Macroscopic Rheology in Granular Flows (1995692)
Chris Harper, University of Oregon, Eugene, OR, United States and Josef Dufek, University of Oregon, Department of Earth Sciences, Eugene, OR, United States
 
Shear-Driven Acoustic Emissions in Synthetic Fault Gouge (1997734)
Karan Adhikari and Behrooz Ferdowsi, University of Houston, Civil and Environmental Engineering, Houston, United States
 
The Role of Humidity in Granular Flow: Cohesion, Friction, and Rheological Transients (1999477)
Aizhan Zhakupova, University of Houston, Civil and Environmental Engineering, Houston, TX, United States and Behrooz Ferdowsi, University of Houston, Civil and Environmental Engineering, Houston, United States
 
Does a granular analog to the glass quench rate likewise influence the mesostructures of granular materials? (1999728)
Richard Kilburn1, Vashan Desmond Wright2, Ming Chang3 and Jhardel Dasent3, (1)Scripps Institution of Oceanography, La Jolla, CA, United States, (2)Scripps Institution of Oceanography, La Jolla, United States, (3)University of California San Diego, Scripps Institution of Oceanography, La Jolla, United States
 
Statistical Analysis of Bedload Transport in a Rough Bed with Boulders from Numerical Simulations (1999799)
Cristian R Escauriaza, Pontifical Catholic University of Chile, Hydraulic and Environmental Engineering, Santiago, Chile and Magdalena Barros, Pontificia Universidad Católica de Chile, Santiago, Chile
 
Experimental Investigation of the effect of Confining Stress, Shear Rate, and Loading Direction on Inclined Sand Deposits Using a Direct Shear Device (2001102)
Nancy Ingabire Abayo, Alessia Costanzo, Sophia Pedrazzi and Shanza Asif, Lafayette College, Civil and Environmental Engineering, Easton, United States